Vehicle wheel



l 1,646,508 Acz. c. wAls .v-EaIcLE WHEEL I Filed ug.12. 1920 f Ifg l Iig. 5-

' mvg/vrai?.

. Y vnnionn WHI..

"Alijiiiaio siefifnugt '12, 1920.. 'serial ne." 403,090.

t-is the object ofmy, inventionto provide a ,cushion treadv for a vehicle Wheel embodying novel traction resistant plugs; further, to provide such traction resi traction tread; "further, to provide. novel formations and connecting ineansfbe'tweenan annular traction;treadv and a casing vaboifit ivhich said traction-tread is Vi'ec'eive'd;A and, further, to'pr'ovide novel connecting 4means betiveen the tractionltread and the ,casing The linvention Will be'jfurtlier rreadily iin-r l derstood from the following description and claims, and Yfrom they `,vdraiviijs, in'ivh'icli latterzu I l Fig. 1 isa side elevation of n vehicle Wheel, pa t-ly broken away, embodying my' invention. .l

on the line 2 -2of Fig. 1,fexeinplifyingfmy invention. l f Fig. 3 is a plan detailof my iinprovedde- 'ricer eerily broken may:

Fig, 4c is a lsidev'ele'ifa'tion ofoneV of the traction plugs. i

Fig. 5 is an axial 'section of the saine, shown imbedded in the tire, taken on the line 5 5 of Fig. 3; and,

Fig. 6 is a detail of the securing meansfor the shoe, taken in the plane of the line 0-0 of Fig. 3. c

21 represents the Vbody of t-he vehicle vvlie-el. 22'represents the casing. The casing is ref ceived about the body of the vehicle Wheel` and is confined thereon by vany of vthe usual Well-knoyvn fastening means, exemplified as a detachable deinountable mechanism.v

In the Vpresent exemplification of my 1nventon, the outer` annular portion ofthe y' casing 'is provided with an annular groove 101. 'An annular tread 102 is Aprovided With an annular tongue 103received in the annu-V lar groove. VThe bottom Wallof the annularv groove is preferably lcurved outwardly in cross-section, the tongue being provided with a. coincident cross-sectional outwardly er;`

tending recess. The tongue and groove are also preferably providedV withv annular shoulders 106,V 107, annular steps 108, 109, and annular shoulders 110,A 111, the latter shoulders preferably slanting outward.

The tread ispreferably provided with annular flaps 112,'at its respective sides, reach-1 ing v radially over the outerportion of the casing. The inner faces of the flaps conform in form to the outer faces'of tlie casing over for vehicle Wheels,

preferably fixedtothe casing, being for `ining, 'afsy indicated at 1121.

the tread, inaywbeiladd orinar-ly` secured 4to the vcasingbyfbolts 11T-fand nits 118, 4Wliiclifniay be,arrangedfat-suitable d' A' tances apart, about the periphery lofltlie `l ing, Vfive TonsiX of these bolts being prefer@ 4ably prOVideCL'althoiigh the,"I iuiiiber.Y s `inimfemi. 'nach fue bitsi'sfpfe-ierbiy ceivedjthrouglifa sleeve "119, which is. prolvided Withlanges 120, 121,,lifespectivelyiin- -y bedded in V*the rubber yof the ycasii'ig,fthe bore ofthe sleeve coniiiiunicatingwit'hfthe;inside ofthe casing.. The mit. is preferably lpro- Tor' vvided kivitha lflanfg'ejl2'2,beingpreferably Closed a agout-eral. Theta @imbedded intherubber ofthe' tread, there being-pref erably onsiderable .,ebfody..y .of .rubber 'eX- tending radially butyvad ffroin A the nut.

The yboltsareV inserted throughv the sleeves and into thenuts from the inside ofthe caslng orY tire, and are readily Vreleasable forV renevva'l ofthe annulartread. vMy invention is. particularly applicable to pneumatic" tires which .dispense with an inner tube of the characterjof that, for instancel shown described andf claimed in my copendino' api' plication for LettersPatent of the Uiited l' btates on improvements in pneumatic tires Afiled Au ustl 9 Serial No. 579,434. Y fg Y Y Friction plugs 125 may, if desired, b'efiInbedded in the tread-portion of the casing.

rlhey are shown `imbedded vin the. tread.y

These frictionplugs consistpreferably of va friction composition, for instance vulcanized fibre, oifharder-'rubber than the neighboring portions of the tread, for offering re#y sistance to the yield of the rubber. The

plugs are-arranged'to grip the surface over i Whichrtlie tire is traveling, so Aas to insure and enhance the tractive properties of the- .tire'and prevent skidding. The plugs are Vprovided with recesses into which the rubf ber mayl flow or be forced, so that the plugs are vulcanized into. ,tlie rubber and have se'- 'eure vattachment thereto... These recesses are shown as annular grooves 126 in therespec-t tive plugs located intermediate of theends .l of the plugs.- The rubber surrounding the l ne' plugs is received in these grooves for securff .stance Ceineiite'dto thefouterj face of the cas- Gn .ingfthe plugs lin place. Each ofthe plugs may also be provided with a cross-perforation 127, and an inner axial bore 128 connecting .with the cross-perforation to form indentations, in which the rubber surround-y ing the plug is also received, for aidingin holding the plugs in place`r The plugs are rimbedded in and firmly secured to the casing. Y Y

yHaving thus fully described my inven- `tionrWhat I claim as new and desire to securefby Letters Patent, is: Y

'1.y Av casingfof a tire for a vehicle Wheel comprising friction plugs imbedded in the tread-portion of said casing and vulcanized thereinj said friction plugs and the body of said-casing having coactingr projections and recesses between them at the outerperipheries of saidy friction plugs intermediate of theV ends of said friction plugs, and said friction plugsy provided with transverse apertures at said recesses int'o which 'the body of said casingv projects, and said friciV f, said hole, vsaid friction plugs vulcanized in said iiiibedding portion With "said imbedding portion located in saidV rec-ess, said axial hole and said cross perforation.

3. A tire for a vehicle Wheel comprising a casing andV an annular traction-tread having a tongue and groove between them, and means for connecting` saidtread to said casing comprising` nuts vulcanized inl said xtread-, `complemental sleeves vulcanized in said casing, and bolts received through said sleeves into said nuts from the inside-of said casinfr. Y .y 4.* A tire for a lvehicle Wheel-comprising a casing and an annular traction-tread having a tongue Aand groove between them, and.

means for connecting said tread to said cas- Afing comprising nuts vulcanized infsaid tread, complemental*sleeves vulcanized in said casing, andbolts received through said sleeves into said nuts from'the inside of said casing, said casing provided at each sideof said tongue'and groove With anl annular Voutwardly extending bead, said annularv traction-tread provided lat its inner periph?l ery with annular grooves complemental to said beads7 said annular traction-tread prof vided at each side thereof With an annular flap at the outside of said last-named annuflaps to said casing.

In testimony whereof, I have hereunto signed my name.

oHARLns o. Wars.

lar* grooves, and means for securing said 

